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The fight-or-flight or the fight-flight-freeze-or-fawn [1] (also called hyperarousal or the acute stress response) is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival. [2] It was first described by Walter Bradford Cannon in 1915.
Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...
Moral ascendancy – Moral force is the trump card for any military event because as events change, the human elements of war remain unchanged – Du Piq; OODA loop – Decision-making occurs in a recurring cycle of observe-orient-decide-act. An entity (whether an individual or an organization) that can process this cycle quickly, observing and ...
Equality of forward and backward reaction rates, however, is a necessary condition for chemical equilibrium, though it is not sufficient to explain why equilibrium occurs. Despite the limitations of this derivation, the equilibrium constant for a reaction is indeed a constant, independent of the activities of the various species involved ...
adhesion is what makes things stick together. It's the force that allows tape to stick to a surface or glue to hold two objects together. Contrast cohesion. adiabatic cooling adiabatic heating adiabatic process A process which occurs without transfer of heat or mass of substances between a thermodynamic system and its surroundings.
Extraction point: the location designated for reassembly of forces and their subsequent transportation out of the battle zone. Fabian strategy: avoiding pitched battles in order to wear down the enemy in a war of attrition. Fighting withdrawal: pulling back military forces while maintaining contact with the enemy. File: a single column of soldiers.
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In the first case the force is continuously applied to the car by a person, while in the second case the force is delivered in a short impulse. Contact forces are often decomposed into orthogonal components, one perpendicular to the surface(s) in contact called the normal force, and one parallel to the surface(s) in contact, called the friction ...